Here is a subscriber that shared with me about the usage of some of the parts in hard disk and here is the email: “Hi Jestine, Your defective hard drives have discs that are coated with...

Got question regarding the zener diode tester from a blog reader/ERG Member: “Jestine: It’s always a pleasure to read your monthly newsletter and blog. Thanks for bringing the human side to the repair business! I have a...

  I got an email that asked what is the meaning of the first two code of a polyester (mlyar) capacitor. Here is the question: “Hi Jestine! Hope your doing fine. I just want to ask these...